How To Install Register Boot In Drywall Ceiling

How to Add a Room to an Existing HVAC

Sometimes, information technology becomes necessary to add another HVAC duct run in the house. This is particularly mutual if y'all remodel part of your basement by adding a room. You demand to heat and absurd this room, and the most economic solution is to add together a duct run from your existing HVAC unit of measurement. In some instances, it may become more complicated than simply adding a duct run to an existing HVAC system, especially if the HVAC organisation isn't big plenty to serve the new space. If all you are adding is a room comparable to a standard-size sleeping room, though, it is easy to add a room to an existing HVAC organization.

Step one

Measure out the square footage of the room. This is done past multiplying its length and width.

Step 2

Calculate what size duct you lot'll demand by using the following parameters: up to 125 square feet, use 6-inch diameter duct, 126 to 250 foursquare feet, employ eight-inch diameter duct, and if above 250 square feet, you'll demand to peradventure upgrade your HVAC organisation before proceeding.

Step 3

Measure out the altitude from the HVAC duct by the HVAC unit of measurement to where you want the supply air register to exist. Buy the required duct and elbows from your local abode improvement store. Don't forget to purchase a annals kick and a register to let the air to menses into the room.

Step 4

Effigy out what ceiling configuration your new room has (drywall or suspended drop ceiling). For a drywall ceiling, move to stride 5. For a drop ceiling, cut a square pigsty in the ceiling tile where you lot want your register and slide the register boot into the hole. Secure the register to the register kicking with screws, and this volition lock the ceiling tile into place. You tin can then put the ceiling tile into the ceiling grid and run your duct piece of work.

Step 5

Install the register boot before you drywall. Anchor information technology to the ceiling joists. The foursquare portion of the register boot will be flush with the height of the drywall. You lot then drywall, cutting the pigsty, and install the register into the bottom after the ceiling is painted.

Step 6

Run the duct piece of work from the annals boot back to the main duct trunk. Connect it by sliding the crimped end into the not-crimped terminate approximately 1 1/2 inches. Secure each articulation with at to the lowest degree iv sheet metallic screws. Cut the duct as necessary to allow for needed short pieces. Make sure you crimp one end of the cut duct with your piping curling and so that it can exist connected into the duct organisation.

Pace vii

Connect the new HVAC duct run to the master HVAC duct trunk with a sheet metal neckband. This collar is connected to the principal duct trunk past cutting a hole that is the diameter of the collar. The tabbed portion of the collar is so pushed into the duct and the tabs are folded over inside. This locks the collar into place. The other end of the neckband is slid into the duct and screwed like the previous connections.

Footstep 8

Support the duct at least every 5 anxiety by using wood blocking under the duct in the ceiling joist space. The wood blocking will be cutting the width of the ceiling joist, slid up in, and nailed into place. The duct work will rest on pinnacle of this forest blocking.